
Verbo regular: sign - signed - signed
| Presente | Presente continuo | Pretérito | Pretérito continuo | 
| I sign you sign she signs we sign you sign they sign | I am signing you are signing she is signing we are signing you are signing they are signing | I signed you signed she signed we signed you signed they signed | I was signing you were signing she was signing we were signing you were signing they were signing | 
| Presente perfecto | Presente perfecto continuo | Pluscuamperfecto | Pluscuamperfecto continuo | 
| I have signed you have signed she has signed we have signed you have signed they have signed | I have been signing you have been signing she has been signing we have been signing you have been signing they have been signing | I had signed you had signed she had signed we had signed you had signed they had signed | I had been signing you had been signing she had been signing we had been signing you had been signing they had been signing | 
| Futuro simple | Futuro continuo | Futuro perfecto | Futuro perfecto contínuo | 
| I will sign you will sign she will sign we will sign you will sign they will sign | I will be signing you will be signing she will be signing we will be signing you will be signing they will be signing | I will have signed you will have signed she will have signed we will have signed you will have signed they will have signed | I will have been signing you will have been signing she will have been signing we will have been signing you will have been signing they will have been signing | 
| Presente | Presente continuo | Passado | Passado continuo | 
| I would sign you would sign she would sign we would sign you would sign they would sign | I would be signing you would be signing she would be signing we would be signing you would be signing they would be signing | I would have signed you would have signed she would have signed we would have signed you would have signed they would have signed | I would have been signing you would have been signing she would have been signing we would have been signing you would have been signing they would have been signing | 
| Infinitivo | Imperativo | 
| Infinitivo | Imperativo | ||
| to sign | sign Let's sign sign | 
| Presente | Passado | ||
| signing | signed |